Phononic's compressor-free laboratory refrigerator is the first solid-state refrigerator to earn Energy Star energy efficiency certification from the US EPA. The compressor-free design is said to meet guidelines for the controlled storage of vaccines and pharmaceutical drugs, while reducing energy consumption by up to 40% compared to traditional products.
http://www.coolingpost.com/world-news/solid-state-fridge-earns-epa-award/
